Experimental Analysis of the Combustion Process of Commercial and Reference Fuels on the CFR Laboratory Engine

Mario Marzano; Patrizio Nuccio

doi:10.4271/2010-01-2265

2010-10-25

Experimental Analysis of the Combustion Process of Commercial and Reference Fuels on the CFR Laboratory Engine 2010-01-2265

As in the standard American Society for Testing and Materials (ASTM) procedure which is used to evaluate the fuel Octane Number (ON), some signal properties are considered, while others are neglected, it happens that different pressure signals of the sensor, obtained from different fuels and operating conditions, can lead to the same Knock Intensity index (KI) value, even though the knock behavior is not the same.

Therefore the aim of this work was to analyze the standard signal processing chain of the Cooperative Fuel Research engine (CFR) (from the pressure sensor to the knock-meter display) and its effects on the value of the KI, for different fuels and operating conditions.

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Experimental Analysis of the Combustion Process of Commercial and Reference Fuels on the CFR Laboratory Engine 2010-01-2265

SAE MOBILUS